Home / 882,236.64-1,323,486.20-408,969.84

Finding the Fourth Proportional to 882,236.64, 1,323,486.20 and 408,969.84

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Solution

The fourth proportional to 882,236.64, 1,323,486.20 and 408,969.84 is: 613,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,236.64 : 1,323,486.20 = 408,969.84 : x
  2. Step 2: Convert to fraction form
    882,236.64/1,323,486.20 = 408,969.84/x
  3. Step 3: Cross multiply
    882,236.64x = 1,323,486.20 × 408,969.84
  4. Step 4: Simplify right side
    882,236.64x = 541,265,939,456.21
  5. Step 5: Solve for x
    x = 541,265,939,456.21/882,236.64
  6. Step 6: Final answer
    x = 613,515.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.